I know this has been discussed at length but i can;t seem to get it too work.

My ratings are as follows

94.3
80.1
62
88.2
72.8
75.6
84.2
72
86.2
77.6
89.5
80.7
60.6

So i added them all up to get a total. Then divided each seperate rating by the total. And then what??

Cheers,
Matt